21
Published 1997
Springer Netherlands

22
Published 1998
Springer Netherlands

23
Published 1997
Springer Netherlands

24
Published 1997
Springer Netherlands

25
Published 1983
Springer Netherlands

27
by Berstecher, Dieter, Drèze, Jacques, Guyot, Yves, Hambye, Colette
Published 1974
Springer Netherlands

28
by Hativa, N.
Published 2000
Springer Netherlands

29
by Reuchlin, M.
Published 1972
Springer Netherlands

30
by Singleton, W.T.
Published 1981
Springer Netherlands

31
by Singleton, W.T.
Published 1983
Springer Netherlands

32
Published 1995
Springer Netherlands

35
Published 1997
Springer Netherlands

36
Published 1997
Springer Netherlands